Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 4.59
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -5.56 -0.375 2.08
Prot (kg) -3.26 -0.441 1.44
Fertility Sub Index 4.04
Calving Interval (days) -2.63 -1.459 3.84
Survival (%) 0.18 1.117 0.20
Calving Sub Index -0.75
Gestation Length (days) 0.82 -0.919 -0.75
Beef Sub Index 4.05
Carcass Weight (kg) -6.60 -0.528 3.48
Age of Slaughter (days) -1.31 -0.432 0.57
Maintenance Sub Index Maint. Sub Index 4.11
Live WT (kg) -13.40 -0.307 4.11
Total Carbon Sub Index 16.02

* Based on an €80/tonne carbon price